This book is the missing introduction to mainframe computing for IT leaders and professionals. Vendor-neutral guidance on mainframe strategy, costs, modernization, and cloud integration. Written by Niek de Greef, a mainframe strategist with three decades of experience translating technical complexity into clear strategic choices for IT leaders worldwide.
Don’t be afraid of the Mainframe – Available March 2026!
Don’t be afraid of the Mainframe book – The missing introduction for IT Leaders and Professionals
The new book Don’t Be Afraid of the Mainframe cuts through the noise with 30+ years of hands-on expertise. Whether you’re deciding the platform’s future or defending its present, this book gives you the information you need to make confident strategic decisions.
You’ll discover:
- Why the mainframe processes 70% of global transactions, and why “legacy” doesn’t mean “obsolete”
- The real economics: where costs hide, how licensing works, and what you can control
- Modern capabilities you didn’t know existed: AI, containers, REST APIs, and cloud integration
- Practical frameworks for assessing your platform, applications, and transformation options
- Honest comparisons: when mainframe makes sense, when cloud is better, and how to integrate both
No sales pitch. No vendor bias. Just clear explanations, real-world case studies, and decision frameworks you can use immediately.
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